In global software projects, informal communication across sites is severely hampered,
making it difficult to disseminate implicit knowledge. Participants have a partial view of the …

The most digital image watermarking algorithms have nearly always been realised in red,
green and blue (RGB) colour space. In this study, a secure, robust and imperceptible CDMA …

A DCT-Arnold chaotic based watermarking algorithm is put forward in this paper, in which to
satisfy imperceptibility and robustness, it is used JPEG-YCbCr channels. Moreover, for more …

Binary sequence sets with asymptotically optimal auto/cross correlation peak sidelobe level
(PSL) growth have been known in the literature for a long time, and their construction has …

In this paper, digital watermarking technique using spread spectrum (SS) technology and
adaptive DM (dither modulation) with the improved Watson perception model are applied for …

In this paper, we propose an image watermarking algorithm in DWT domain with self-
synchronization, focusing on resisting to cropping attack. In embedding, the CDMA encoded …

稳健性是数字水印的重要指标之一. 为了改善水印稳健性, CDMA 技术已被引入到数字水印中.
但是, 目前基于CDMA 扩频技术的水印算法基本都是通过实验方式来确定嵌入强度以及相关 …

This paper presents a novel method of blind image watermarking in contourlet domain. We
have used spread spectrum technique for additive watermark embedding. A correlation …

In the recent times, the rapid and extensive growth in Internet technology is creating a
pressing need to develop several newer techniques to protect copyright, ownership …

Image scrambling is a useful approach to secure the image data by transforming the image
into an unintelligible format. This paper introduces a new parameter based M-sequence …